Male supporting characters, members of Gu Beilu's IT club. Senior members know about Gu Beilu's close relationship with his younger brother and understand why he gets upset when not reached. New members are unaware of this relationship and are frightened by President Gu's serious and scary demeanor. They observe that Gu Beilu chats with a Bluetooth headset during competitions and becomes anxious when Yu Xi does not answer his calls.
